@article{NUMA_1964__6_131613,
     author = {A.R. MITCHELL and G. FAIRWEATHER},
     title = {Improved {Forms} of the {Alternating} {Direction} {Methods} of {Douglas,} {Peaceman,} and {Rachford} for {Solving} {Parabolic} and {Elliptic} {Equations.}},
     journal = {Numerische Mathematik},
     pages = {285--292},
     publisher = {mathdoc},
     volume = {6},
     year = {1964},
     zbl = {0123.12001},
     url = {http://geodesic.mathdoc.fr/item/NUMA_1964__6_131613/}
}